Home / 965,964.20-1,448,946.30-611,378.60

Finding the Fourth Proportional to 965,964.20, 1,448,946.30 and 611,378.60

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Solution

The fourth proportional to 965,964.20, 1,448,946.30 and 611,378.60 is: 917,067.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,964.20 : 1,448,946.30 = 611,378.60 : x
  2. Step 2: Convert to fraction form
    965,964.20/1,448,946.30 = 611,378.60/x
  3. Step 3: Cross multiply
    965,964.20x = 1,448,946.30 × 611,378.60
  4. Step 4: Simplify right side
    965,964.20x = 885,854,760,369.18
  5. Step 5: Solve for x
    x = 885,854,760,369.18/965,964.20
  6. Step 6: Final answer
    x = 917,067.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.